The Card Settings icon (numbered 4) provides a shortcut to some of the actions you can perform on a card.
Open a card and click the Settings icon (4) at the upper right corner of the card to open the settings panel.
The Card settings panel provides access to the following functionalities:
Save as Template - this option allows you to save the currently opened card as a template. More on card templates can be found in the dedicated article.
Copy Permalink - you can easily copy the unique card URL. This is the easiest way to refer to a card. Just click the icon to copy the card link and use CTRL+V to paste it.
Log time - log time on a card or to any of its subtasks. For more information, please check the dedicated article.
Locate - just click the icon and you will be redirected to the exact card position on the board (if it is located on the same board). This feature is very useful when you have a lot of columns and swimlanes and you need quick navigation The card itself will be highlighted when located. In case that the card is located on a different board, the system opens the board in a new tab and focuses your screen on the card.
Block - just click "Block" to block this card and make it immobile on the board unless being unblocked.
For more information, please check the dedicated article.
Discard - use the discard button if you want to erase this card. For more information, please check the dedicated article.
Reminder - allows users to set up a reminder and follow up on the card within 5,15 or 30 minutes / 1, 2, or 4 hours/ a selected date from the calendar. Upon deadline expiration, a reminder pops up on your board, and the system sends an email notification (reminder). Check out the following video to see how this works: https://www.youtube.com/watch?v=z9uA-_n5C-s
Revisions - allows you to access the card's revisions.
A card revision is saved whenever a certain card property is changed. More on this can be found in the dedicated article.